.csr-box {
    margin-top: 20px;
    display: grid;
    grid-template-columns: repeat(2,1fr);
    gap: 0 30px;
}
.csr-box__ttl {
    margin-bottom: 10px;
    padding-bottom: 10px;
    font-size: 15px;
    font-weight: bold;
    border-bottom: 1px solid #bbb;
}
.csr-box__img {
    width: 90%;
    margin: 0 auto;
}
@media screen and (max-width: 767px) {
    .csr-box {
        margin-top: 10px;
        grid-template-columns: 1fr;
        gap: 15px 0;
    }
}